droning Synonyms

drone monotone speak boringly tinnitus thrumming throbbing tedious strumming spout soporific soniferous slugging rumbling rumble toneless twanging vibrate talk at length drones twangy sing-song drawly drone on whirr uninflected sound off prevue whispering whirring rolling purr purring featureless dreary drawling crooning chanting buzz buzzing booming bombination bombilation bland beating flat flatter pontificate pinging muttering murmuring